US20190191793A1 - Wrist protector - Google Patents
Wrist protector Download PDFInfo
- Publication number
- US20190191793A1 US20190191793A1 US16/112,888 US201816112888A US2019191793A1 US 20190191793 A1 US20190191793 A1 US 20190191793A1 US 201816112888 A US201816112888 A US 201816112888A US 2019191793 A1 US2019191793 A1 US 2019191793A1
- Authority
- US
- United States
- Prior art keywords
- air
- air tube
- wrist
- tube
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000000707 wrist Anatomy 0.000 title claims abstract description 159
- 230000001012 protector Effects 0.000 title claims abstract description 83
- 210000003857 wrist joint Anatomy 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 7
- 239000003570 air Substances 0.000 description 309
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 28
- 229920002554 vinyl polymer Polymers 0.000 description 28
- 239000010409 thin film Substances 0.000 description 24
- 210000003811 finger Anatomy 0.000 description 8
- 210000003813 thumb Anatomy 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 208000006358 Hand Deformities Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000450 navicular bone Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000003189 scaphoid bone Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
- A61F5/0118—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the arms, hands or fingers
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
- A41D13/0155—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having inflatable structure, e.g. non automatic
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/08—Arm or hand
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/08—Arm or hand
- A41D13/081—Hand protectors
- A41D13/088—Hand protectors especially for the wrist
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/012—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations inflatable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/30—Pressure-pads
- A61F5/34—Pressure pads filled with air or liquid
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2300/00—Details of garments
- A41D2300/30—Closures
- A41D2300/32—Closures using hook and loop-type fasteners
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2600/00—Uses of garments specially adapted for specific purposes
- A41D2600/10—Uses of garments specially adapted for specific purposes for sport activities
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2600/00—Uses of garments specially adapted for specific purposes
- A41D2600/20—Uses of garments specially adapted for specific purposes for working activities
Definitions
- One or more example embodiments relate to a wrist protector.
- a wrist protector protects a delicate wrist during simple exercise or work.
- the wrist protector alleviates a pain by enclosing the wrist and applying an appropriate pressure thereto or straightens a joint of the wrist.
- a general wrist protector is worn by positioning a pad on the wrist, pulling a hook-and-loop tape formed on one side of the pad and attaching the hook-and-loop tape to another side of the pad.
- the task of positioning the pad on the wrist and the task of pulling and attaching the hook-and-loop tape are to be performed with one hand.
- the pad may slide.
- An aspect provides a wrist protector that a user may easily wear with one hand.
- Another aspect also provides a wrist protector of which a pressure applied to a wrist of a user is frequently adjustable while the user is wearing the wrist protector.
- a wrist protector including a contact pad to be worn on a wrist of a user, a plurality of air tubes disposed on the contact pad, a pump configured to inject air from an outside into the plurality of air tubes, and a discharge valve configured to discharge the air stored in the plurality of air tubes to the outside.
- the wrist protector may further include a fixing hole provided in the contact pad and configured to enclose at least one finger of the user.
- the plurality of air tubes may include a main air tube configured to support a lower portion of the wrist of the user, and a sub-air tube configured to communicate with the main air tube, wherein an angle formed by the main air tube and the sub-air tube may be adjustable.
- the pump, the discharge valve and the fixing hole may be disposed on the same side relative to the main air tube.
- the main air tube may include an air-noninjectable region formed at a central portion of the main air tube in a longitudinal direction of the main air tube.
- the wrist protector may further include a main plate configured to support a lower portion of the main air tube.
- the wrist protector may further include a loop plate and a sub-plate respectively formed at left and right edge portions of the contact pad, wherein the sub-air tube may include a first sub-air tube disposed between the main plate and the loop plate, and a second sub-air tube disposed between the main plate and the sub-plate.
- the wrist protector may further include a check valve configured to allow an airflow from the pump to the plurality of air tubes and block an airflow from the air tubes to the pump.
- the wrist protector may further include a portable pump to be mounted on the discharge valve, the portable pump configured to inject air into the plurality of air tubes.
- the portable pump may include a contact portion configured to fit with the discharge valve, and an elastic body connected to an upper side of the contact portion, the elastic body having a volume greater than a volume of the pump.
- a wrist protector including an air tube configured to support a wrist joint of a user, a pump including an air inlet communicating with an outside and an air transfer hole communicating with the air tube, a check valve configured to allow an airflow from the pump to the air tube and block an airflow from the air tube to the pump, and a discharge valve configured to discharge air in the air tube to the outside.
- the discharge valve may include a discharge hose configured to allow an airflow between the air tube and the outside, and a discharge bolt configured to open and close the discharge hose.
- the discharge bolt may include a bolt flow path configured to allow the airflow between the air tube and the outside, and one end of the bolt flow path may be blocked by an inner wall of the discharge hose in a closed state and opened toward the outside in an opened state.
- the discharge bolt may be spirally connected to the inner wall of the discharge hose, and a discharge end of the bolt flow path may be exposed to the outside when the discharge bolt is turned more than a predetermined angle with respect to the discharge hose.
- the wrist protector may further include a protection plate formed of a more rigid material than the air tube and configured to enclose an outer circumferential surface of the air tube.
- the air tube may include a first tube portion and a second tube portion partitioned on both sides by a thermobonded line formed at a center of the air tube, and a connecting tube portion configured to enable the first tube portion and the second tube portion to communicate with each other.
- the air tube may include an air-noninjectable region positioned between the first tube portion and the second tube portion and enclosed by thermobonded line.
- the protection plate may include a first branch plate and a second branch plate configured to branch in both directions from a central line of the protection plate, and a vent positioned between the first branch plate and the second branch plate, the vent overlapping the air-noninjectable region.
- a wrist protector including a first air tube configured to support an upper side of a wrist joint of a user, a second air tube configured to support a lower side of the wrist joint of the user, a pump including an air inlet communicating with an outside and an air transfer hole communicating with one air tube of the first air tube and the second air tube, a connecting hose configured to enable the first air tube and the second air tube to communicate with each other, a check valve configured to allow an airflow from the pump to the one air tube and block an airflow from the one air tube to the pump, and a discharge valve configured to discharge air in the one air tube to the outside.
- Air injected into the one air tube may be injected into the other air tube of the first air tube and the second air tube through the connecting hose.
- the wrist protector may further include a contact pad configured to connect the first air tube and the second air tube and be attached to and detached from the wrist joint of the user.
- the wrist protector may further include a first protection plate configured to enclose an outer circumferential surface of the first air tube, a second protection plate configured to enclose an outer circumferential surface of the second air tube, and a wearable belt configured to fasten the first protection plate and the second protection plate.
- the check valve and the discharge valve may be disposed in parallel between the pump and the air tube.
- FIG. 1 is a perspective front view illustrating a user wearing a wrist protector when viewing a back of a hand of the user according to an example embodiment
- FIG. 2 is a perspective rear view illustrating a user wearing a wrist protector when viewing a palm of the user according to an example embodiment
- FIG. 3 is a side view illustrating a user wearing a wrist protector according to an example embodiment
- FIG. 4 is an exploded view of FIG. 3 ;
- FIG. 5 is a front view illustrating an air pad according to an example embodiment
- FIG. 6 is a cross-sectional view, cut along I-I of FIG. 5 , illustrating a check valve being in a closed state;
- FIG. 7 is a cross-sectional view, cut along I-I of FIG. 5 , illustrating a check valve being in an opened state;
- FIG. 8 is a cross-sectional view, cut along II-II of FIG. 5 , illustrating a discharge valve being in an opened state;
- FIG. 9 is a cross-sectional view, cut along II-II of FIG. 5 , illustrating a discharge valve being in a closed state
- FIG. 10 illustrates a protection plate according to an example embodiment
- FIG. 11 is a front view illustrating an air pad according to an example embodiment
- FIG. 12 is a front view illustrating an air pad according to an example embodiment
- FIG. 13 is a plan view illustrating a wrist protector according to an example embodiment
- FIG. 14A is a perspective view illustrating a user wearing a wrist protector according to an example embodiment
- FIG. 14B is a perspective view illustrating a user wearing a wrist protector according to an example embodiment
- FIG. 15 is a perspective view illustrating a portable pump according to an example embodiment
- FIG. 16A is a cross-sectional view illustrating a discharge cover being mounted on a discharge valve according to an example embodiment
- FIG. 16B is a cross-sectional view illustrating a portable pump being mounted on a discharge valve according to an example embodiment
- FIG. 17 is a plan view illustrating a wrist protector according to an example embodiment.
- FIG. 18 is a perspective view illustrating a user wearing a wrist protector according to an example embodiment.
- first, second, A, B, (a), (b), and the like may be used herein to describe components.
- Each of these terminologies is not used to define an essence, order or sequence of a corresponding component but used merely to distinguish the corresponding component from other component(s). It should be noted that if it is described in the specification that one component is “connected”, “coupled”, or “joined” to another component, a third component may be “connected”, “coupled”, and “joined” between the first and second components, although the first component may be directly connected, coupled or joined to the second component.
- FIG. 1 is a perspective front view illustrating a user wearing a wrist protector when viewing a back of a hand of the user according to an example embodiment
- FIG. 2 is a perspective rear view illustrating the user wearing the wrist protector when viewing a palm of the user according to an example embodiment
- FIG. 3 is a side view illustrating the user wearing the wrist protector according to an example embodiment
- FIG. 4 is an exploded view of FIG. 3
- FIG. 5 is a front view illustrating an air pad according to an example embodiment.
- a wrist protector 1 may support a wrist joint of a user.
- the wrist protector 1 may pressurize a wrist of the user, thereby preventing shaking of the wrist.
- the wrist of the user supported by the wrist protector 1 may have restricted movements in up and down and/or left and right directions.
- the wrist protector 1 may include an air pad 10 , a protection plate 21 , 22 , a contact pad 30 , a connecting hose 40 and a wearable belt 50 .
- the connecting hose 40 and the wearable belt 50 were omitted from FIG. 4 .
- the contact pad 30 may directly contact the wrist of the user.
- the contact pad 30 may be wound around the wrist of the user.
- the contact pad 30 may be formed of fabric.
- the contact pad 30 , the air pad 10 and the protection plate 21 may be disposed sequentially in a direction vertically away from a back of a hand.
- the contact pad 30 , the air pad 10 and the protection plate 22 may be disposed sequentially in a direction vertically away from a palm. Meanwhile, a case in which the contact pad 30 is omitted, and the air pad 10 directly contacts the wrist of the user may also be possible.
- the air pad 10 may include a pump 11 , an air tube 12 , a check valve 13 and a discharge valve 14 .
- the user may inject air into the air pad 10 and discharge the air stored in the air pad 10 .
- a supporting force of the wrist protector 1 may be adjusted.
- the wrist of the user requires a relatively great supporting force, for example, bones and/or ligaments of the wrist are damaged
- the user may increase the amount of the air stored in the air pad 10 , thereby increasing the supporting force of the air pad 10 .
- the wrist of the user requires a relatively weak supporting force, for example, muscles of the wrist are damaged
- the user may reduce the amount of the air stored in the air pad 10 , thereby decreasing the supporting force of the air pad 10 .
- the pump 11 may inject air into the air tube 12 .
- the pump 11 may be formed of an elastic material.
- the pump 11 may have a convex shape including a hollow in an initial state. Although the user deforms the pump 11 with a finger and/or the palm of the user, the pump 11 may return to the initial state.
- the pump 11 , the air tube 12 , and a first connecting flow path and a second connecting flow path that enable the pump 11 and the air tube 12 to communicate with each other in parallel may be formed as an integral body by two thermobonded members, for example, two vinyl sheets, an upper vinyl sheet and a lower vinyl sheet.
- the pump 11 and the air tube 12 may form an internal space and communicate with each other as edge portions thereof are thermobonded.
- a portion of the two vinyl sheets may be thermobonded in a round shape to form the pump 11
- another portion of the two vinyl sheets may be thermobonded at edge portions thereof to form the air tube 12 .
- thermobonding three portions parallel to each other between the pump 11 and the air tube 12 two connecting flow paths having widths narrower than widths of the pump 11 and the air tube 12 , that is, the first connecting flow path and the second connecting flow path, may be formed in parallel. Further, the check valve 13 and the discharge valve 14 may be disposed in parallel to each other respectively on the first connecting flow path and the second connecting flow path.
- the pump 11 may include a pump body 111 , an air inlet 112 formed on one side of the pump body 111 and communicating with an outside, an air transfer hole 113 formed on another side of the pump body 111 and communicating with the air tube 12 , and an elastic body 114 to maintain a shape of the pump body 111 in a state in which an external force is not applied thereto.
- the pump body 111 may correspond to the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other.
- the pump body 111 may have an internal hollow in which the air may be temporarily stored.
- the air inlet 112 may be a hole formed in one vinyl sheet, for example, the upper vinyl sheet or the lower vinyl sheet, of the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet.
- the air inlet 112 may enable the internal hollow of the pump body 111 and the outside to communicate with each other.
- the user may pressurize the pump body 111 while closing up the air inlet 112 .
- the air in the pump body 111 may be discharged only through the air transfer hole 113 , rather than being discharged through the air inlet 112 . That is, the user may effectively transfer the air into the air tube 12 .
- the air transfer hole 113 may be a non-thermobonded portion of the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other.
- the air transfer hole 113 may enable the internal hollow of the pump body 111 and the air tube 12 to communicate with each other.
- the check valve 13 may be provided in the air transfer hole 113 , whereby a one-way airflow may be implemented.
- the elastic body 114 may be formed of an elastic material and thus elastically restored. In a case in which an external force is not applied thereto, the elastic body 114 may maintain an initial shape of the pump body 111 (see FIG. 6 ). For example, in a case in which the user applies an external force to pressurize the pump body 111 with a finger or the palm of the user (see FIG. 7 ), the pump body 111 may be shrunken, and the elastic body 114 disposed in the pump body 111 may also be shrunken. In a case in which the external force is not applied any further, the elastic body 114 may return to its initial shape, and thus the pump body 111 may return to its initial shape.
- the elastic body 114 may be positioned in the two thermobonded vinyl sheets.
- the elastic body 114 may have a hollow and include one or a plurality of holes.
- the plurality of holes may include a first hole 1141 (see FIG. 6 ) communicating with the air inlet 112 and a second hole 1142 (see FIG. 6 ) communicating with the air transfer hole 113 .
- the air tube 12 may support the wrist joint of the user.
- the air tube 12 may store air therein, and a supporting force to be applied to the user may be adjusted based on an amount of the air stored in the air tube 12 .
- the user may easily adjust the amount of the air stored in the air tube 12 .
- Air tubes may be disposed respectively on both sides from the wrist of the user.
- the air tubes may include a first air tube 12 to support an upper side of the wrist joint of the user and a second air tube 12 ′ to support a lower side of the wrist joint of the user.
- a tube body 123 may correspond to the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other.
- the tube body 123 may be connected to the pump body 111 .
- the tube body 123 and the pump body 111 may be formed by the same two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet.
- the tube body 123 may include a hollow.
- the hollow of the tube body 123 may correspond to a non-thermobonded portion of the two vinyl sheets. Air may be stored in the hollow of the tube body 123 .
- the hollow of the tube body 123 may include a first tube portion 121 , a second tube portion 122 , and a connecting tube portion to enable the first tube portion 121 and the second tube portion 122 to communicate with each other.
- the connecting tube portion and the pump 11 may be positioned on opposite sides from a center of the tube body 123 .
- Air may be injected into the first tube portion 121 , the second tube portion 122 and the connecting tube portion.
- the first tube portion 121 , the second tube portion 122 and the connecting tube portion may be disposed between the contact pad 30 and the protection plate 21 , 22 .
- An outer boundary of the first tube portion 121 and the second tube portion 122 may be formed of a deformable material, for example, vinyl, and thus the first tube portion 121 and the second tube portion 122 may fill an inner space between the contact pad 30 and the protection plate 21 , 22 formed of relatively rigid materials.
- a distance between the protection plates 21 and 22 may be maintained by the wearable belt 50 .
- a magnitude of the supporting force to be applied to the user may increase.
- the first tube portion 121 and the second tube portion 122 may be disposed respectively on both sides from a central line of the air pad 10 .
- a thermobonded line 15 may be provided between the first tube portion 121 and the second tube portion 122 . By the thermobonded line 15 , the first tube portion 121 and the second tube portion 122 may be bent to correspond to a shape of the wrist of the user.
- the air tube 12 may include an air-noninjectable region 124 positioned between the first tube portion 121 and the second tube portion 122 and enclosed by the thermobonded line 15 . By the air-noninjectable region 124 and the thermobonded line 15 , an air-permeability of the air tube 12 may be secured.
- the connecting tube portion may enable the air to flow between the first tube portion 121 and the second tube portion 122 , thereby enabling the entire air tube 12 to be deformed easily and adaptively to various body shapes of users.
- the check valve 13 may allow an airflow from the pump 11 to the air tube 12 and block an airflow from the air tube 12 to the pump 11 .
- a mechanism of the check valve 13 will be described in detail with reference to FIGS. 6 and 7 .
- the discharge valve 14 may discharge the air in the air tube 12 to the outside. A mechanism of the discharge valve 14 will be described in detail with reference to FIGS. 8 and 9 .
- the check valve 13 and the discharge valve 14 may be disposed in parallel between the pump 11 and the air tube 12 .
- the user may perform the task of injecting air into the air tube 12 through the pump 11 and the task of discharging the air in the air tube 12 to the outside through the discharge valve 14 at adjacent positions, thereby adjusting a pressure of the air tube 12 conveniently.
- the user may immediately adjust the discharge valve 14 adjacent to the pump 11 to reduce the pressure.
- the protection plate 21 , 22 may be formed of a more rigid material than the air tube 12 , 12 ′ and enclose an outer circumferential surface of the air tube 12 , 12 ′.
- the protection plate 21 , 22 may be formed of, for example, plastic and prevent damage to the air tube 12 , 12 ′.
- the protection plate 21 , 22 may include the first protection plate 21 that encloses the first air tube 12 to support the upper side of the wrist joint of the user, and the second protection plate 22 that encloses the second air tube 12 ′ to support the lower side of the wrist joint of the user.
- the first protection plate 21 may have a shape corresponding to an angle of inclination from an upper portion of the wrist of the user and the back of the hand of the user.
- the first protection plate 21 may have a mostly flat shape.
- the second protection plate 22 may have a shape corresponding to an angle of inclination from a lower portion of the wrist of the user and the palm of the user.
- the second protection plate 22 may have a shape with an inclination of about 20 degrees to 30 degrees. The shape of the second protection plate 22 will be described further later with reference to FIG. 10 .
- the protection plate 21 , 22 may have a shape that branches in both directions from a central line of the protection plate 21 , 22 .
- the first protection plate 21 may branch in both directions from the central line of the first protection plate 21 and thus, include a first branch plate 211 and a second branch plate 212 that may be bent to correspond to the shape of the wrist of the user.
- the first protection plate 21 may include a vent 213 positioned between the first branch plate 211 and the second branch plate 212 , the vent 213 overlapping the air-noninjectable region 124 of the air tube 12 .
- the vent 213 may secure an air-permeability between the outside and the air tube 12 .
- the second protection plate 22 may include a first branch plate, a second branch plate and a vent.
- the contact pad 30 may connect the first air tube 12 and the second air tube 12 ′ and be attached to and detached from the wrist joint of the user.
- the connecting hose 40 may enable the first air tube 12 and the second air tube 12 ′ to communicate with each other.
- the pump 11 may be connected to any one air tube of the first air tube 12 and the second air tube 12 ′.
- the pump 11 may be provided in the first air tube 12 , and the pump 11 may not be provided on one side of the second air tube 12 ′.
- air injected from the outside into the first air tube 12 may be injected into the second air tube 12 ′ through the connecting hose 40 . That is, the user may inject the air into both the first air tube 12 supporting the upper side of the wrist joint and the second air tube 12 ′ supporting the lower side of the wrist joint through the single pump 11 .
- the wearable belt 50 may fasten the first protection plate 21 disposed on the upper side of the wrist joint of the user and the second protection plate 22 disposed on the lower side of the wrist joint of the user.
- the distance between the first protection plate 21 and the second protection plate 22 may be adjusted by the wearable belt 50 .
- the wearable belt 50 may include a hook-and-loop structure.
- a plurality of wearable belts 50 may be provided in a longitudinal direction of the first protection plate 21 and/or the second protection plate 22 .
- FIG. 6 is a cross-sectional view, cut along I-I of FIG. 5 , illustrating a check valve being in a closed state
- FIG. 7 is a cross-sectional view, cut along I-I of FIG. 5 , illustrating the check valve being in an opened state.
- the check valve 13 may be attached to an inner wall of the air transfer hole 113 of the pump 11 .
- the check valve 13 may include, as in the example of FIGS. 6 and 7 , a first thin film 131 to be attached to an upper inner wall of the air transfer hole 113 and a second thin film 132 to be attached to a lower inner wall of the air transfer hole 113 .
- a region of the first thin film 131 which is relatively close to the pump 11 may be fixed to the inner wall of the air transfer hole 113 , and a region of the first thin film 131 which is relatively far from the pump 11 may not be fixed to the inner wall of the air transfer hole 113 .
- a region of the second thin film 132 which is relatively close to the pump 11 may be fixed to the inner wall of the air transfer hole 113 , and a region of the second thin film 132 which is relatively far from the pump 11 may not be fixed to the inner wall of the air transfer hole 113 .
- the first thin film 131 and the second thin film 132 may maintain a state of contacting each other by static electricity in a case in which the pump 11 does not operate. For example, when an external force is not applied to the pump 11 , and the pump body 111 of the pump 11 maintains the initial state, the first thin film 131 and the second thin film 132 may maintain the state of contacting each other, and an airflow in the air transfer hole 113 may be prevented.
- the first thin film 131 and the second thin film 132 may be in a state of partially contacting each other.
- a portion of the first thin film 131 which is relatively far from the pump 11 and a portion of the second thin film 132 which is relatively far from the pump 11 may be in a state of contacting each other.
- a portion of the first thin film 131 which is relatively close to the pump 11 and a portion of the second thin film 132 which is relatively close to the pump 11 may each be attached to the air transfer hole 113 .
- the first thin film 131 and the second thin film 132 may maintain the state of contacting each other although an airflow from the air tube 12 to the pump 11 occurs.
- the first thin film 131 and the second thin film 132 may be spaced apart from each other in a case in which an airflow from the pump 11 to the air tube 12 occurs.
- air in the pump 11 may flow in a direction toward the air tube 12 .
- the first thin film 131 and the second thin film 132 may be separated from each other by the airflow.
- the first thin film 131 and the second thin film 132 may return to the state of contacting each other by static electricity in a case in which the airflow disappears.
- FIG. 8 is a cross-sectional view, cut along II-II of FIG. 5 , illustrating a discharge valve being in an opened state
- FIG. 9 is a cross-sectional view, cut along II-II of FIG. 5 , illustrating the discharge valve being in a closed state.
- the discharge valve 14 may include a discharge hose 141 that allows an airflow between the air tube 12 and the outside, and a discharge bolt 142 that opens and closes the discharge hose 141 .
- the discharge hose 141 may include an outer wall that blocks an airflow in a direction from the pump 11 toward the air tube 12 and allows an airflow in a direction from the air tube 12 toward the pump 11 .
- the airflow from the pump 11 toward the air tube 12 may be blocked by the discharge hose 141 .
- the discharge hose 141 may have a shape of “L” such that a portion thereof is provided between two vinyl sheets and another portion thereof is formed to protrude toward outer sides of the two vinyl sheets.
- the shape of the discharge hose 141 is not limited thereto.
- the discharge bolt 142 may include a bolt flow path 1421 that allows the airflow between the air tube 12 and the outside. One end of the bolt flow path 1421 may be blocked by an inner wall of the discharge hose 141 in a closed state and opened toward the outside in an opened state.
- the discharge bolt 142 may include a discharge adjuster 1422 . The user may manipulate the discharge adjuster 1422 to open the bolt flow path 1421 toward the outsider or to block one end of the bolt flow path 1421 .
- the discharge bolt 142 may be spirally connected to the inner wall of the discharge hose 141 .
- the discharge bolt 142 and the discharge hose 141 may include threads that engage with each other.
- a discharge end of the bolt flow path 1421 may be exposed to the outside.
- the air stored in the air tube 12 may be discharged to the outside through the bolt flow path 1421 .
- FIG. 10 illustrates a protection plate according to an example embodiment.
- FIG. 10 illustrates the second protection plate 22 of FIG. 3 which is disposed from the lower portion of the wrist of the user to the palm of the user.
- the second protection plate 22 will be referred to as the protection plate 22 .
- the protection plate 22 may support the lower portion of the wrist, the wrist joint, and the palm of the user.
- the corresponding portions of the user may have various curvatures.
- a portion from the lower portion of the wrist of the user to the wrist joint may be convex, and a portion from the wrist joint to the palm may be curved a relatively great angle.
- the palm may be concave at a center thereof.
- the protection plate 22 may be formed to correspond to such a body shape of the user.
- the protection plate 22 may include three portions partitioned by a first auxiliary line L 1 and a second auxiliary line L 2 , in detail, a first portion 221 , a second portion 222 and a third portion 223 .
- the first portion 221 may have a shape corresponding to the palm of the user.
- the first portion 221 may be connected to the second portion 222 while forming a predetermined angle with the second portion 222 .
- the first portion 221 may have a concave shape at a center thereof to stably support the palm of the user.
- the second portion 222 may have a shape corresponding to the wrist portion of the user.
- the second portion 222 may have a slightly recessed shape at a center thereof so as to correspond to the wrist.
- the third portion 223 may have a shape corresponding to the lower portion of the wrist of the user.
- the third portion 223 may have a convex shape to correspond to the wrist of the user which is cylindrical.
- FIG. 11 is a front view illustrating an air pad according to an example embodiment.
- an air pad 60 may include a pump 61 , an air tube 62 , a check valve 63 and a discharge valve 64 .
- the check valve 63 and the discharge valve 64 may be formed at opposite ends, rather than being arranged in parallel to each other.
- FIG. 12 is a front view illustrating an air pad according to an example embodiment.
- an air pad 70 may include a pump 71 , an air tube 72 , a check valve 73 and a discharge valve 74 .
- the air tube 72 may include a first air tube 721 connected to the pump 71 , and a second air tube 722 not connected to the pump 71 . Air injected into the first air tube 721 may be injected into the second air tube 722 through the connecting hose 40 .
- the contact pad 30 may connect the first air tube 721 and the second air tube 722 and be attached to and detached from the wrist joint of the user.
- the contact pad 30 may include a hook-and-loop structure. The user may conveniently wear a wrist protector on the wrist through a task of winding the wrist with the contact pad 30 to which the first air tube 721 and the second air tube 722 are attached
- the user may wind the wrist with the contact pad and then increase an amount of air injected into the air pad attached to an outer circumferential surface of the contact pad, thereby conveniently wearing the wrist protector with one hand. Further, the user may increase a pressure of the air tube using the pump or decrease the pressure of the air tube using the discharge valve, thereby conveniently adjusting the pressure while wearing the wrist protector.
- FIG. 13 is a plan view illustrating a wrist protector according to an example embodiment
- FIG. 14A is a perspective view illustrating a user wearing the wrist protector according to an example embodiment
- FIG. 14B is a perspective view illustrating the user wearing the wrist protector according to an example embodiment
- FIG. 15 is a perspective view illustrating a portable pump according to an example embodiment
- FIG. 16A is a cross-sectional view illustrating a discharge cover being mounted on a discharge valve according to an example embodiment
- FIG. 16B is a cross-sectional view illustrating the portable pump being mounted on the discharge valve according to an example embodiment.
- a wrist protector 8 may include a contact pad 80 , a pump 81 , a plurality of air tubes 82 a, 82 b and 82 c, a discharge valve 83 , a fixing hole 84 , a wearable belt 85 , a belt holder 86 and a portable pump 87 .
- the contact pad 80 may be worn on the wrist of the user.
- the plurality of air tubes 82 a, 82 b and 82 c may be disposed in the contact pad 80 , and the contact pad 80 may be wound around the wrist of the user to fix the wrist joint of the user.
- the user may wind the wrist with the contact pad 80 and adjust an amount of air injected into the plurality of air tubes 82 a, 82 b and 82 c, thereby fixing the wrist.
- the user may increase pressures of the plurality of air tubes 82 a, 82 b and 82 c using the pump 81 or decrease the pressures of the plurality of air tubes 82 a, 82 b and 82 c using the discharge valve 83 while wearing the wrist protector 8 .
- the pump 81 may inject air into the plurality of air tubes 82 a, 82 b and 82 c.
- the pump 81 may be formed of an elastic material.
- the pump 81 may have a convex shape including a hollow in an initial state. In a case in which the user deforms the pump 81 with a finger and/or the palm, the pump 81 may return to the initial state by elasticity.
- the plurality of air tubes 82 a, 82 b and 82 c may be disposed in the contact pad 80 .
- the plurality of air tubes 82 a, 82 b and 82 c may include a main air tube 82 a and a sub-air tube 82 b, 82 c.
- the main air tube 82 a may support a lower portion of the wrist of the user in a state in which the user is wearing the wrist protector 8 .
- An upper portion of the main air tube 82 a may have a relatively narrow width at convex portions like a scaphoid bone and a navicular bone, when compared to a central portion, such that the main air tube 82 a may be easily bent.
- the upper portion of the main air tube 82 a may be provided under the palm of the user, the central portion of the main air tube 82 a may be provided under the wrist joint of the user, and a lower portion of the main air tube 82 a may be provided under a forearm of the user.
- the main air tube 82 a may include an air-noninjectable region 821 a formed in a longitudinal direction of the main air tube 82 a at the central portion of the main air tube 82 a.
- the air-noninjectable region 821 a may enable external air to enter a space under the main air tube 82 a, thereby reducing heat or sweat from the wrist of the user.
- the sub-air tube 82 b, 82 c may communicate with the main air tube 82 a.
- the sub-air tube 82 b, 82 c may include a first sub-air tube 82 b that supports a left side of the wrist, that is, an outer side of the wrist, and a second sub-air tube 82 c that supports a right side of the wrist, that is, an inner side of the wrist, in a state in which the user is wearing the wrist protector 8 on a right hand (see FIGS. 14A and 14B ).
- An angle formed by the sub-air tube 82 b, 82 c and the main air tube 82 a may be adjusted.
- the sub-air tube 82 b, 82 c may be connected to the main air tube 82 a through an air passage having a relatively narrow width.
- the angle formed by the sub-air tube 82 b, 82 c and the main air tube 82 a may be adjusted based on a thickness of the wrist of the user. For example, in a case of a user having a relatively thick wrist, the angle formed by the sub-air tube 82 b, 82 c and the main air tube 82 a may be relatively great. For example, in a case of a user having a relatively thin wrist, the angle formed by the sub-air tube 82 b, 82 c and the main air tube 82 a may be relatively small.
- the discharge valve 83 may discharge the air stored in the plurality of air tubes 82 a, 82 b and 82 c to the outside.
- the discharge valve 83 may be opened or closed by the user, and the user may adjust the pressures of the plurality of air tubes 82 a, 82 b and 82 c by opening or closing the discharge valve 83 .
- the discharge valve 83 may be disposed adjacent to the pump 81 . The user may manipulate the discharge valve 83 and the pump 81 disposed adjacent to each other, thereby easily adjusting the pressures of the plurality of air tubes 82 a, 82 b and 82 c.
- the fixing hole 84 may be provided in the contact pad 80 and enclose at least one of fingers of the user. For example, in a state in which the user is wearing the wrist protector 8 , the fixing hole 84 may enclose the thumb of the user. The fixing hole 84 may prevent a separation of the wrist protector 8 from the user.
- the pump 81 , the discharge valve 83 and the fixing hole 84 may be disposed on the same side relative to the main air tube 82 a.
- all the pump 81 , the discharge valve 83 and the fixing hole 84 may be disposed on the inner side of the wrist of the user.
- the fixing hole 84 may enclose the thumb of the user, and the pump 81 and the discharge valve 83 may be disposed on the same side as the fixing hole 84 relative to the main air tube 82 a.
- the discharge valve 83 and the fixing hole 84 may be disposed toward an inner side of the user, and thus the user may easily manipulate the discharge valve 83 and the fixing hole 84 .
- the wearable belt 85 and the belt holder 86 may fix the contact pad 80 to the wrist of the user.
- the wearable belt 85 may include a hook-and-loop structure.
- the wearable belt 85 may be connected to one side of the contact pad 80 .
- the wearable belt 85 may pass through the belt holder 86 .
- a circumference of the contact pad 80 may be adjusted to be suitable for the thickness of the wrist of the user.
- the portable pump 87 may be mounted on the discharge valve 83 and inject air into the plurality of air tubes 82 a, 82 b and 82 c.
- the user may individually carry the portable pump 87 .
- the portable pump 87 may include a contact portion 871 and an elastic body 872 .
- the contact portion 871 may fit with the discharge valve 83 .
- the elastic body 872 may be connected to an upper side of the contact portion 871 and have a volume greater than a volume of the pump 81 .
- the discharge valve 83 may include a discharge cover 83 a.
- FIG. 16A illustrates the discharge valve 83 not communicating with the outside by the discharge cover 83 a
- FIG. 16B illustrates the discharge valve 83 with the discharge cover 83 a removed therefrom.
- the user may remove the discharge cover 83 a from the discharge valve 83 .
- the discharge cover 83 a may have a shape and a size corresponding to an opening of the discharge valve 83 .
- the discharge cover 83 a may include a handle (not shown) for the user to easily remove or mount the discharge cover 83 a.
- the portable pump 87 has a greater volume than the pump 81 , and thus may inject a larger amount of air into the plurality of air tubes 82 a, 82 b and 82 c with one pumping.
- the user may quickly inject air into the plurality of air tubes 82 a, 82 b and 82 c using the portable pump 87 . Then, the user may minutely adjust a pressure through the pump 81 and the discharge valve 83 .
- the wrist protector 8 may support the circumference of the wrist of the user, thereby assisting the wrist joint of the user to not move.
- the main air tube 82 a that supports the lower portion of the wrist and the contact pad 80 that covers the wrist may prevent a flexion and an extension of the wrist of the user.
- the sub-air tubes 82 b and 82 c that support both side portions of the wrist may prevent a radial deviation and an ulnar deviation of the wrist of the user.
- the fixing hole 84 that fixes a finger of the user, for example, the thumb, and the contact pad 80 that encloses the perimeter of the wrist of the user may prevent a pronation and a supination of the user.
- the wrist protector 8 may prevent various motions of the wrist joint of the user.
- the wrist protector 8 may fix the lower portion and the side portions of the wrist with a large area through the main air tube 82 a and the sub-air tube 82 b, 82 c such that the wrist of the user may not twist, while not restricting motions of the fingers of the user.
- the thumb of the user may move freely while being inserted into the fixing hole 84
- the remaining fingers of the user may also move freely while being enclosed by the contact pad 80 .
- FIG. 17 is a plan view illustrating a wrist protector according to an example embodiment
- FIG. 18 is a perspective view illustrating a user wearing the wrist protector according to an example embodiment.
- a wrist protector 9 may include a contact pad 90 , a pump 91 , a plurality of air tubes 92 a, 92 b and 92 c, a discharge valve 93 , a fixing hole 94 , a wearable belt 95 , a belt holder 96 , a main plate 991 , a loop plate 992 and a sub-plate 993 .
- the plurality of air tubes 92 a, 92 b and 92 c may include a main air tube 92 a and a sub-air tube 92 b, 92 c.
- the main plate 991 may support a lower portion of the main air tube 92 a.
- the main plate 991 may support the main air tube 92 a such that the elongating main air tube 92 a may not be spaced apart from the wrist of the user by gravity or external force.
- the main plate 991 may be formed of a more rigid material than the main air tube 92 a, for example, plastic.
- the main plate 991 may assist the main air tube 92 a to maintain a state of contacting such that a uniform pressure may be applied to the wrist of the user although a relatively small amount of air is injected into the main air tube 92 a.
- the main plate 991 may have a shape corresponding to a curved shape of the lower portion of the wrist of the user.
- the main air tube 92 a may maintain a state of contacting an inner wall of the main plate 991 and maintain a state of contacting the wrist of the user by being pressurized by the inner wall of the main plate 991 .
- the main plate 991 may support the lower portion of the wrist, the wrist joint, and the palm of the user.
- a portion of the main plate 991 that supports a point connecting the lower portion of the wrist of the user and the wrist joint may have a convex shape.
- the protection plate 22 may include three partitioned portions, in detail, a first portion, a second portion and a third portion (see FIG. 10 ).
- the first portion may have a shape corresponding to the palm of the user.
- the first portion may be connected to the second portion while forming a predetermined angle with the second portion.
- the first portion may have a concave shape at a center thereof to stably support the palm of the user.
- the second portion may have a shape corresponding to the wrist portion of the user.
- the second portion may have a slightly recessed shape at a center thereof so as to correspond to the wrist.
- the third portion may have a shape corresponding to the lower portion of the wrist of the user.
- the third portion may have a convex shape to correspond to the wrist of the user which is cylindrical.
- the loop plate 992 and the sub-plate 993 may be formed respectively at left and right edge portions of the contact pad 90 . Similar to the main plate 991 , the loop plate 992 and the sub-plate 993 may be formed of a more rigid material than the sub-air tube 92 b, 92 c.
- the sub-air tube 92 b, 92 c may include a first sub-air tube 92 b and a second sub-air tube 92 c.
- the first sub-air tube 92 b may be disposed between the main plate 991 and the loop plate 992
- the second sub-air tube 92 c may be disposed between the main plate 991 and the sub-plate 993 .
- the loop plate 992 and the sub-plate 993 may respectively assist the first sub-air tube 92 b and the second sub-air tube 92 c to maintain a state of contacting the wrist joint of the user.
- both side portions of the first sub-air tube 92 b may be fixed by the main plate 991 and the loop plate 992 , respectively.
- the first sub-air tube 92 b may not be spaced apart from a body of the user.
- both side portions of the second sub-air tube 92 c may be fixed by the main plate 991 and the sub-plate 993 , respectively.
- the second sub-air tube 92 c may not be spaced apart from the body of the user.
- a plurality of belt holders 96 may be formed to be spaced apart from each other on the sub-plate 993 which is relatively rigid when compared to the air tubes 92 a, 92 b and 92 c.
- a plurality of wearable belts 95 may enable the wrist protector 9 to support the wrist of the user at an appropriate position while maintaining an interval therebetween.
- a user may wind a wrist with a contact pad and then increase an amount of air injected into an air pad attached to an outer circumferential surface of the contact pad, thereby conveniently wearing a wrist protector with one hand.
- the user may increase a pressure of an air tube using a pump or decrease the pressure of the air tube using a discharge valve, thereby frequently adjusting the pressure while wearing the wrist protector.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Nursing (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Massaging Devices (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
- This application claims the priority benefit of Korean Patent Application No. 10-2017-0180972 filed on Dec. 27, 2017, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference for all purposes.
- One or more example embodiments relate to a wrist protector.
- A wrist protector protects a delicate wrist during simple exercise or work. In general, the wrist protector alleviates a pain by enclosing the wrist and applying an appropriate pressure thereto or straightens a joint of the wrist. A general wrist protector is worn by positioning a pad on the wrist, pulling a hook-and-loop tape formed on one side of the pad and attaching the hook-and-loop tape to another side of the pad.
- However, in a case of the general wrist protector, the task of positioning the pad on the wrist and the task of pulling and attaching the hook-and-loop tape are to be performed with one hand. Thus, while the hook-and-loop tape is being pulled, the pad may slide.
- The above description has been possessed or acquired by the inventor(s) in the course of conceiving the present invention and is not necessarily an art publicly known before the present application is filed.
- An aspect provides a wrist protector that a user may easily wear with one hand.
- Another aspect also provides a wrist protector of which a pressure applied to a wrist of a user is frequently adjustable while the user is wearing the wrist protector.
- According to an aspect, there is provided a wrist protector including a contact pad to be worn on a wrist of a user, a plurality of air tubes disposed on the contact pad, a pump configured to inject air from an outside into the plurality of air tubes, and a discharge valve configured to discharge the air stored in the plurality of air tubes to the outside.
- The wrist protector may further include a fixing hole provided in the contact pad and configured to enclose at least one finger of the user.
- The plurality of air tubes may include a main air tube configured to support a lower portion of the wrist of the user, and a sub-air tube configured to communicate with the main air tube, wherein an angle formed by the main air tube and the sub-air tube may be adjustable.
- The pump, the discharge valve and the fixing hole may be disposed on the same side relative to the main air tube.
- The main air tube may include an air-noninjectable region formed at a central portion of the main air tube in a longitudinal direction of the main air tube.
- The wrist protector may further include a main plate configured to support a lower portion of the main air tube.
- The wrist protector may further include a loop plate and a sub-plate respectively formed at left and right edge portions of the contact pad, wherein the sub-air tube may include a first sub-air tube disposed between the main plate and the loop plate, and a second sub-air tube disposed between the main plate and the sub-plate.
- The wrist protector may further include a check valve configured to allow an airflow from the pump to the plurality of air tubes and block an airflow from the air tubes to the pump.
- The wrist protector may further include a portable pump to be mounted on the discharge valve, the portable pump configured to inject air into the plurality of air tubes.
- The portable pump may include a contact portion configured to fit with the discharge valve, and an elastic body connected to an upper side of the contact portion, the elastic body having a volume greater than a volume of the pump.
- According to an aspect, there is provided a wrist protector including an air tube configured to support a wrist joint of a user, a pump including an air inlet communicating with an outside and an air transfer hole communicating with the air tube, a check valve configured to allow an airflow from the pump to the air tube and block an airflow from the air tube to the pump, and a discharge valve configured to discharge air in the air tube to the outside.
- The discharge valve may include a discharge hose configured to allow an airflow between the air tube and the outside, and a discharge bolt configured to open and close the discharge hose.
- The discharge bolt may include a bolt flow path configured to allow the airflow between the air tube and the outside, and one end of the bolt flow path may be blocked by an inner wall of the discharge hose in a closed state and opened toward the outside in an opened state.
- The discharge bolt may be spirally connected to the inner wall of the discharge hose, and a discharge end of the bolt flow path may be exposed to the outside when the discharge bolt is turned more than a predetermined angle with respect to the discharge hose.
- The wrist protector may further include a protection plate formed of a more rigid material than the air tube and configured to enclose an outer circumferential surface of the air tube.
- The air tube may include a first tube portion and a second tube portion partitioned on both sides by a thermobonded line formed at a center of the air tube, and a connecting tube portion configured to enable the first tube portion and the second tube portion to communicate with each other.
- The air tube may include an air-noninjectable region positioned between the first tube portion and the second tube portion and enclosed by thermobonded line.
- The protection plate may include a first branch plate and a second branch plate configured to branch in both directions from a central line of the protection plate, and a vent positioned between the first branch plate and the second branch plate, the vent overlapping the air-noninjectable region.
- According to an aspect, there is provided a wrist protector including a first air tube configured to support an upper side of a wrist joint of a user, a second air tube configured to support a lower side of the wrist joint of the user, a pump including an air inlet communicating with an outside and an air transfer hole communicating with one air tube of the first air tube and the second air tube, a connecting hose configured to enable the first air tube and the second air tube to communicate with each other, a check valve configured to allow an airflow from the pump to the one air tube and block an airflow from the one air tube to the pump, and a discharge valve configured to discharge air in the one air tube to the outside.
- Air injected into the one air tube may be injected into the other air tube of the first air tube and the second air tube through the connecting hose.
- The wrist protector may further include a contact pad configured to connect the first air tube and the second air tube and be attached to and detached from the wrist joint of the user.
- The wrist protector may further include a first protection plate configured to enclose an outer circumferential surface of the first air tube, a second protection plate configured to enclose an outer circumferential surface of the second air tube, and a wearable belt configured to fasten the first protection plate and the second protection plate.
- The check valve and the discharge valve may be disposed in parallel between the pump and the air tube.
- Additional aspects of example embodiments will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the disclosure.
- These and/or other aspects, features, and advantages of the invention will become apparent and more readily appreciated from the following description of example embodiments, taken in conjunction with the accompanying drawings of which:
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FIG. 1 is a perspective front view illustrating a user wearing a wrist protector when viewing a back of a hand of the user according to an example embodiment; -
FIG. 2 is a perspective rear view illustrating a user wearing a wrist protector when viewing a palm of the user according to an example embodiment; -
FIG. 3 is a side view illustrating a user wearing a wrist protector according to an example embodiment; -
FIG. 4 is an exploded view ofFIG. 3 ; -
FIG. 5 is a front view illustrating an air pad according to an example embodiment; -
FIG. 6 is a cross-sectional view, cut along I-I ofFIG. 5 , illustrating a check valve being in a closed state; -
FIG. 7 is a cross-sectional view, cut along I-I ofFIG. 5 , illustrating a check valve being in an opened state; -
FIG. 8 is a cross-sectional view, cut along II-II ofFIG. 5 , illustrating a discharge valve being in an opened state; -
FIG. 9 is a cross-sectional view, cut along II-II ofFIG. 5 , illustrating a discharge valve being in a closed state; -
FIG. 10 illustrates a protection plate according to an example embodiment; -
FIG. 11 is a front view illustrating an air pad according to an example embodiment; -
FIG. 12 is a front view illustrating an air pad according to an example embodiment; -
FIG. 13 is a plan view illustrating a wrist protector according to an example embodiment; -
FIG. 14A is a perspective view illustrating a user wearing a wrist protector according to an example embodiment; -
FIG. 14B is a perspective view illustrating a user wearing a wrist protector according to an example embodiment; -
FIG. 15 is a perspective view illustrating a portable pump according to an example embodiment; -
FIG. 16A is a cross-sectional view illustrating a discharge cover being mounted on a discharge valve according to an example embodiment; -
FIG. 16B is a cross-sectional view illustrating a portable pump being mounted on a discharge valve according to an example embodiment; -
FIG. 17 is a plan view illustrating a wrist protector according to an example embodiment; and -
FIG. 18 is a perspective view illustrating a user wearing a wrist protector according to an example embodiment. - Hereinafter, some example embodiments will be described in detail with reference to the accompanying drawings. Regarding the reference numerals assigned to the elements in the drawings, it should be noted that the same elements will be designated by the same reference numerals, wherever possible, even though they are shown in different drawings. Also, in the description of embodiments, detailed description of well-known related structures or functions will be omitted when it is deemed that such description will cause ambiguous interpretation of the present disclosure.
- In addition, terms such as first, second, A, B, (a), (b), and the like may be used herein to describe components. Each of these terminologies is not used to define an essence, order or sequence of a corresponding component but used merely to distinguish the corresponding component from other component(s). It should be noted that if it is described in the specification that one component is “connected”, “coupled”, or “joined” to another component, a third component may be “connected”, “coupled”, and “joined” between the first and second components, although the first component may be directly connected, coupled or joined to the second component.
- The same name may be used to describe an element included in the example embodiments described above and an element having a common function. Unless otherwise mentioned, the descriptions on the example embodiments may be applicable to the following example embodiments and thus, duplicated descriptions will be omitted for conciseness.
-
FIG. 1 is a perspective front view illustrating a user wearing a wrist protector when viewing a back of a hand of the user according to an example embodiment,FIG. 2 is a perspective rear view illustrating the user wearing the wrist protector when viewing a palm of the user according to an example embodiment,FIG. 3 is a side view illustrating the user wearing the wrist protector according to an example embodiment,FIG. 4 is an exploded view ofFIG. 3 , andFIG. 5 is a front view illustrating an air pad according to an example embodiment. - Referring to
FIGS. 1 through 5 , awrist protector 1 may support a wrist joint of a user. Thewrist protector 1 may pressurize a wrist of the user, thereby preventing shaking of the wrist. The wrist of the user supported by thewrist protector 1 may have restricted movements in up and down and/or left and right directions. Thewrist protector 1 may include anair pad 10, aprotection plate contact pad 30, a connectinghose 40 and awearable belt 50. To simplify the drawings, the connectinghose 40 and thewearable belt 50 were omitted fromFIG. 4 . - The
contact pad 30 may directly contact the wrist of the user. For example, thecontact pad 30 may be wound around the wrist of the user. Thecontact pad 30 may be formed of fabric. Thecontact pad 30, theair pad 10 and theprotection plate 21 may be disposed sequentially in a direction vertically away from a back of a hand. Similarly, thecontact pad 30, theair pad 10 and theprotection plate 22 may be disposed sequentially in a direction vertically away from a palm. Meanwhile, a case in which thecontact pad 30 is omitted, and theair pad 10 directly contacts the wrist of the user may also be possible. - The
air pad 10 may include apump 11, anair tube 12, acheck valve 13 and adischarge valve 14. The user may inject air into theair pad 10 and discharge the air stored in theair pad 10. Based on an amount of the air stored in theair pad 10, a supporting force of thewrist protector 1 may be adjusted. In a case in which the wrist of the user requires a relatively great supporting force, for example, bones and/or ligaments of the wrist are damaged, the user may increase the amount of the air stored in theair pad 10, thereby increasing the supporting force of theair pad 10. Meanwhile, in a case in which the wrist of the user requires a relatively weak supporting force, for example, muscles of the wrist are damaged, the user may reduce the amount of the air stored in theair pad 10, thereby decreasing the supporting force of theair pad 10. - The
pump 11 may inject air into theair tube 12. Thepump 11 may be formed of an elastic material. Thepump 11 may have a convex shape including a hollow in an initial state. Although the user deforms thepump 11 with a finger and/or the palm of the user, thepump 11 may return to the initial state. - The
pump 11, theair tube 12, and a first connecting flow path and a second connecting flow path that enable thepump 11 and theair tube 12 to communicate with each other in parallel may be formed as an integral body by two thermobonded members, for example, two vinyl sheets, an upper vinyl sheet and a lower vinyl sheet. Thepump 11 and theair tube 12 may form an internal space and communicate with each other as edge portions thereof are thermobonded. For example, a portion of the two vinyl sheets may be thermobonded in a round shape to form thepump 11, and another portion of the two vinyl sheets may be thermobonded at edge portions thereof to form theair tube 12. Further, by thermobonding three portions parallel to each other between thepump 11 and theair tube 12, two connecting flow paths having widths narrower than widths of thepump 11 and theair tube 12, that is, the first connecting flow path and the second connecting flow path, may be formed in parallel. Further, thecheck valve 13 and thedischarge valve 14 may be disposed in parallel to each other respectively on the first connecting flow path and the second connecting flow path. - The
pump 11 may include apump body 111, anair inlet 112 formed on one side of thepump body 111 and communicating with an outside, anair transfer hole 113 formed on another side of thepump body 111 and communicating with theair tube 12, and anelastic body 114 to maintain a shape of thepump body 111 in a state in which an external force is not applied thereto. - The
pump body 111 may correspond to the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other. Thepump body 111 may have an internal hollow in which the air may be temporarily stored. - The
air inlet 112 may be a hole formed in one vinyl sheet, for example, the upper vinyl sheet or the lower vinyl sheet, of the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet. Theair inlet 112 may enable the internal hollow of thepump body 111 and the outside to communicate with each other. To inject the air in thepump body 111 into theair tube 12, the user may pressurize thepump body 111 while closing up theair inlet 112. In this example, the air in thepump body 111 may be discharged only through theair transfer hole 113, rather than being discharged through theair inlet 112. That is, the user may effectively transfer the air into theair tube 12. - The
air transfer hole 113 may be a non-thermobonded portion of the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other. Theair transfer hole 113 may enable the internal hollow of thepump body 111 and theair tube 12 to communicate with each other. Thecheck valve 13 may be provided in theair transfer hole 113, whereby a one-way airflow may be implemented. - The
elastic body 114 may be formed of an elastic material and thus elastically restored. In a case in which an external force is not applied thereto, theelastic body 114 may maintain an initial shape of the pump body 111(seeFIG. 6 ). For example, in a case in which the user applies an external force to pressurize thepump body 111 with a finger or the palm of the user (seeFIG. 7 ), thepump body 111 may be shrunken, and theelastic body 114 disposed in thepump body 111 may also be shrunken. In a case in which the external force is not applied any further, theelastic body 114 may return to its initial shape, and thus thepump body 111 may return to its initial shape. Theelastic body 114 may be positioned in the two thermobonded vinyl sheets. - While a volume of the
elastic body 114 is increasing, external air may be injected into thepump 11 through theair inlet 112. Conversely, while the volume of theelastic body 114 is decreasing, the air in thepump 11 may be injected into theair tube 12. - For example, the
elastic body 114 may have a hollow and include one or a plurality of holes. In this example, while the volume of theelastic body 114 is increasing, ambient air may be injected into the hollow of theelastic body 114 through the hole(s). Conversely, while the volume of theelastic body 114 is decreasing, the air in the hollow of theelastic body 114 may be discharged to the outside through the hole(s). For example, the plurality of holes may include a first hole 1141 (seeFIG. 6 ) communicating with theair inlet 112 and a second hole 1142 (seeFIG. 6 ) communicating with theair transfer hole 113. - The
air tube 12 may support the wrist joint of the user. Theair tube 12 may store air therein, and a supporting force to be applied to the user may be adjusted based on an amount of the air stored in theair tube 12. The user may easily adjust the amount of the air stored in theair tube 12. - Air tubes may be disposed respectively on both sides from the wrist of the user. For example, the air tubes may include a
first air tube 12 to support an upper side of the wrist joint of the user and asecond air tube 12′ to support a lower side of the wrist joint of the user. - A
tube body 123 may correspond to the two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet, with at least a portion of the edge portions thereof thermobonded to each other. Thetube body 123 may be connected to thepump body 111. For example, thetube body 123 and thepump body 111 may be formed by the same two vinyl sheets, for example, the upper vinyl sheet and the lower vinyl sheet. Thetube body 123 may include a hollow. The hollow of thetube body 123 may correspond to a non-thermobonded portion of the two vinyl sheets. Air may be stored in the hollow of thetube body 123. The hollow of thetube body 123 may include afirst tube portion 121, asecond tube portion 122, and a connecting tube portion to enable thefirst tube portion 121 and thesecond tube portion 122 to communicate with each other. For example, the connecting tube portion and thepump 11 may be positioned on opposite sides from a center of thetube body 123. - Air may be injected into the
first tube portion 121, thesecond tube portion 122 and the connecting tube portion. As shown inFIGS. 1 through 4 , thefirst tube portion 121, thesecond tube portion 122 and the connecting tube portion may be disposed between thecontact pad 30 and theprotection plate first tube portion 121 and thesecond tube portion 122 may be formed of a deformable material, for example, vinyl, and thus thefirst tube portion 121 and thesecond tube portion 122 may fill an inner space between thecontact pad 30 and theprotection plate protection plates wearable belt 50. Thus, as an amount of air injected into thefirst tube portion 121 and thesecond tube portion 122 increases, a magnitude of the supporting force to be applied to the user may increase. - The
first tube portion 121 and thesecond tube portion 122 may be disposed respectively on both sides from a central line of theair pad 10. Athermobonded line 15 may be provided between thefirst tube portion 121 and thesecond tube portion 122. By thethermobonded line 15, thefirst tube portion 121 and thesecond tube portion 122 may be bent to correspond to a shape of the wrist of the user. - The
air tube 12 may include an air-noninjectable region 124 positioned between thefirst tube portion 121 and thesecond tube portion 122 and enclosed by thethermobonded line 15. By the air-noninjectable region 124 and thethermobonded line 15, an air-permeability of theair tube 12 may be secured. - The connecting tube portion may enable the air to flow between the
first tube portion 121 and thesecond tube portion 122, thereby enabling theentire air tube 12 to be deformed easily and adaptively to various body shapes of users. - The
check valve 13 may allow an airflow from thepump 11 to theair tube 12 and block an airflow from theair tube 12 to thepump 11. A mechanism of thecheck valve 13 will be described in detail with reference toFIGS. 6 and 7 . - The
discharge valve 14 may discharge the air in theair tube 12 to the outside. A mechanism of thedischarge valve 14 will be described in detail with reference toFIGS. 8 and 9 . - Meanwhile, referring to
FIG. 5 , thecheck valve 13 and thedischarge valve 14 may be disposed in parallel between thepump 11 and theair tube 12. By the above parallel arrangement, the user may perform the task of injecting air into theair tube 12 through thepump 11 and the task of discharging the air in theair tube 12 to the outside through thedischarge valve 14 at adjacent positions, thereby adjusting a pressure of theair tube 12 conveniently. For example, in a case in which an excessive amount of air is injected through thepump 11, and the user feels an excessive pressure on the wrist, the user may immediately adjust thedischarge valve 14 adjacent to thepump 11 to reduce the pressure. - The
protection plate air tube air tube protection plate air tube protection plate first protection plate 21 that encloses thefirst air tube 12 to support the upper side of the wrist joint of the user, and thesecond protection plate 22 that encloses thesecond air tube 12′ to support the lower side of the wrist joint of the user. - The
first protection plate 21 may have a shape corresponding to an angle of inclination from an upper portion of the wrist of the user and the back of the hand of the user. For example, thefirst protection plate 21 may have a mostly flat shape. Thesecond protection plate 22 may have a shape corresponding to an angle of inclination from a lower portion of the wrist of the user and the palm of the user. For example, thesecond protection plate 22 may have a shape with an inclination of about 20 degrees to 30 degrees. The shape of thesecond protection plate 22 will be described further later with reference toFIG. 10 . - Similar to the
air tube 12, theprotection plate protection plate first protection plate 21 may branch in both directions from the central line of thefirst protection plate 21 and thus, include afirst branch plate 211 and asecond branch plate 212 that may be bent to correspond to the shape of the wrist of the user. Further, thefirst protection plate 21 may include avent 213 positioned between thefirst branch plate 211 and thesecond branch plate 212, thevent 213 overlapping the air-noninjectable region 124 of theair tube 12. Thevent 213 may secure an air-permeability between the outside and theair tube 12. External air may enter a space under the air-noninjectable region 124 and thethermobonded line 15 through thevent 213. Similarly, air warmed by the body temperature of the user in the space under the air-noninjectable region 124 and thethermobonded line 15 may be discharged to the outside through thevent 213. Thevent 213, the air-noninjectable region 124 and thethermobonded line 15 may reduce sweat from the wrist potion of the user wearing thewrist protector 1. Similarly, thesecond protection plate 22 may include a first branch plate, a second branch plate and a vent. - The
contact pad 30 may connect thefirst air tube 12 and thesecond air tube 12′ and be attached to and detached from the wrist joint of the user. By the above structure, a process of mounting thefirst air tube 12 and thesecond air tube 12′ is unnecessary, and thus the user may conveniently wear thewrist protector 1 on the wrist joint. - The connecting
hose 40 may enable thefirst air tube 12 and thesecond air tube 12′ to communicate with each other. For example, thepump 11 may be connected to any one air tube of thefirst air tube 12 and thesecond air tube 12′. For example, thepump 11 may be provided in thefirst air tube 12, and thepump 11 may not be provided on one side of thesecond air tube 12′. Through thepump 11, air injected from the outside into thefirst air tube 12 may be injected into thesecond air tube 12′ through the connectinghose 40. That is, the user may inject the air into both thefirst air tube 12 supporting the upper side of the wrist joint and thesecond air tube 12′ supporting the lower side of the wrist joint through thesingle pump 11. - The
wearable belt 50 may fasten thefirst protection plate 21 disposed on the upper side of the wrist joint of the user and thesecond protection plate 22 disposed on the lower side of the wrist joint of the user. The distance between thefirst protection plate 21 and thesecond protection plate 22 may be adjusted by thewearable belt 50. For example, thewearable belt 50 may include a hook-and-loop structure. A plurality ofwearable belts 50 may be provided in a longitudinal direction of thefirst protection plate 21 and/or thesecond protection plate 22. -
FIG. 6 is a cross-sectional view, cut along I-I ofFIG. 5 , illustrating a check valve being in a closed state, andFIG. 7 is a cross-sectional view, cut along I-I ofFIG. 5 , illustrating the check valve being in an opened state. - Referring to
FIGS. 6 and 7 , thecheck valve 13 may be attached to an inner wall of theair transfer hole 113 of thepump 11. Thecheck valve 13 may include, as in the example ofFIGS. 6 and 7 , a firstthin film 131 to be attached to an upper inner wall of theair transfer hole 113 and a secondthin film 132 to be attached to a lower inner wall of theair transfer hole 113. A region of the firstthin film 131 which is relatively close to thepump 11 may be fixed to the inner wall of theair transfer hole 113, and a region of the firstthin film 131 which is relatively far from thepump 11 may not be fixed to the inner wall of theair transfer hole 113. Similarly, a region of the secondthin film 132 which is relatively close to thepump 11 may be fixed to the inner wall of theair transfer hole 113, and a region of the secondthin film 132 which is relatively far from thepump 11 may not be fixed to the inner wall of theair transfer hole 113. - The first
thin film 131 and the secondthin film 132 may maintain a state of contacting each other by static electricity in a case in which thepump 11 does not operate. For example, when an external force is not applied to thepump 11, and thepump body 111 of thepump 11 maintains the initial state, the firstthin film 131 and the secondthin film 132 may maintain the state of contacting each other, and an airflow in theair transfer hole 113 may be prevented. - Referring to
FIG. 6 , the firstthin film 131 and the secondthin film 132 may be in a state of partially contacting each other. For example, a portion of the firstthin film 131 which is relatively far from thepump 11 and a portion of the secondthin film 132 which is relatively far from thepump 11 may be in a state of contacting each other. Meanwhile, a portion of the firstthin film 131 which is relatively close to thepump 11 and a portion of the secondthin film 132 which is relatively close to thepump 11 may each be attached to theair transfer hole 113. The firstthin film 131 and the secondthin film 132 may maintain the state of contacting each other although an airflow from theair tube 12 to thepump 11 occurs. - Referring to
FIG. 7 , the firstthin film 131 and the secondthin film 132 may be spaced apart from each other in a case in which an airflow from thepump 11 to theair tube 12 occurs. For example, in a case in which thepump body 111 of thepump 11 is shrunken by an external force, air in thepump 11 may flow in a direction toward theair tube 12. The firstthin film 131 and the secondthin film 132 may be separated from each other by the airflow. The firstthin film 131 and the secondthin film 132 may return to the state of contacting each other by static electricity in a case in which the airflow disappears. -
FIG. 8 is a cross-sectional view, cut along II-II ofFIG. 5 , illustrating a discharge valve being in an opened state, andFIG. 9 is a cross-sectional view, cut along II-II ofFIG. 5 , illustrating the discharge valve being in a closed state. - Referring to
FIGS. 8 and 9 , thedischarge valve 14 may include adischarge hose 141 that allows an airflow between theair tube 12 and the outside, and adischarge bolt 142 that opens and closes thedischarge hose 141. - The
discharge hose 141 may include an outer wall that blocks an airflow in a direction from thepump 11 toward theair tube 12 and allows an airflow in a direction from theair tube 12 toward thepump 11. The airflow from thepump 11 toward theair tube 12 may be blocked by thedischarge hose 141. For example, thedischarge hose 141 may have a shape of “L” such that a portion thereof is provided between two vinyl sheets and another portion thereof is formed to protrude toward outer sides of the two vinyl sheets. However, the shape of thedischarge hose 141 is not limited thereto. - The
discharge bolt 142 may include abolt flow path 1421 that allows the airflow between theair tube 12 and the outside. One end of thebolt flow path 1421 may be blocked by an inner wall of thedischarge hose 141 in a closed state and opened toward the outside in an opened state. For example, thedischarge bolt 142 may include adischarge adjuster 1422. The user may manipulate thedischarge adjuster 1422 to open thebolt flow path 1421 toward the outsider or to block one end of thebolt flow path 1421. - The
discharge bolt 142 may be spirally connected to the inner wall of thedischarge hose 141. For example, thedischarge bolt 142 and thedischarge hose 141 may include threads that engage with each other. When thedischarge bolt 142 is turned more than a predetermined angle with respect to thedischarge hose 141, a discharge end of thebolt flow path 1421 may be exposed to the outside. In this example, the air stored in theair tube 12 may be discharged to the outside through thebolt flow path 1421. -
FIG. 10 illustrates a protection plate according to an example embodiment. FIG. 10 illustrates thesecond protection plate 22 ofFIG. 3 which is disposed from the lower portion of the wrist of the user to the palm of the user. Hereinafter, thesecond protection plate 22 will be referred to as theprotection plate 22. - Referring to
FIG. 10 , theprotection plate 22 may support the lower portion of the wrist, the wrist joint, and the palm of the user. The corresponding portions of the user may have various curvatures. For example, a portion from the lower portion of the wrist of the user to the wrist joint may be convex, and a portion from the wrist joint to the palm may be curved a relatively great angle. In addition, the palm may be concave at a center thereof. - The
protection plate 22 may be formed to correspond to such a body shape of the user. For example, theprotection plate 22 may include three portions partitioned by a first auxiliary line L1 and a second auxiliary line L2, in detail, afirst portion 221, asecond portion 222 and athird portion 223. - The
first portion 221 may have a shape corresponding to the palm of the user. Thefirst portion 221 may be connected to thesecond portion 222 while forming a predetermined angle with thesecond portion 222. Thefirst portion 221 may have a concave shape at a center thereof to stably support the palm of the user. Thesecond portion 222 may have a shape corresponding to the wrist portion of the user. For example, thesecond portion 222 may have a slightly recessed shape at a center thereof so as to correspond to the wrist. Thethird portion 223 may have a shape corresponding to the lower portion of the wrist of the user. For example, thethird portion 223 may have a convex shape to correspond to the wrist of the user which is cylindrical. -
FIG. 11 is a front view illustrating an air pad according to an example embodiment. - Referring to
FIG. 11 , anair pad 60 may include apump 61, anair tube 62, acheck valve 63 and adischarge valve 64. Thecheck valve 63 and thedischarge valve 64 may be formed at opposite ends, rather than being arranged in parallel to each other. -
FIG. 12 is a front view illustrating an air pad according to an example embodiment. - Referring to
FIG. 12 , anair pad 70 may include apump 71, an air tube 72, acheck valve 73 and adischarge valve 74. The air tube 72 may include afirst air tube 721 connected to thepump 71, and asecond air tube 722 not connected to thepump 71. Air injected into thefirst air tube 721 may be injected into thesecond air tube 722 through the connectinghose 40. - The
contact pad 30 may connect thefirst air tube 721 and thesecond air tube 722 and be attached to and detached from the wrist joint of the user. For example, thecontact pad 30 may include a hook-and-loop structure. The user may conveniently wear a wrist protector on the wrist through a task of winding the wrist with thecontact pad 30 to which thefirst air tube 721 and thesecond air tube 722 are attached - The user may wind the wrist with the contact pad and then increase an amount of air injected into the air pad attached to an outer circumferential surface of the contact pad, thereby conveniently wearing the wrist protector with one hand. Further, the user may increase a pressure of the air tube using the pump or decrease the pressure of the air tube using the discharge valve, thereby conveniently adjusting the pressure while wearing the wrist protector.
-
FIG. 13 is a plan view illustrating a wrist protector according to an example embodiment,FIG. 14A is a perspective view illustrating a user wearing the wrist protector according to an example embodiment,FIG. 14B is a perspective view illustrating the user wearing the wrist protector according to an example embodiment,FIG. 15 is a perspective view illustrating a portable pump according to an example embodiment,FIG. 16A is a cross-sectional view illustrating a discharge cover being mounted on a discharge valve according to an example embodiment, andFIG. 16B is a cross-sectional view illustrating the portable pump being mounted on the discharge valve according to an example embodiment. - Referring to
FIGS. 13 through 16B , awrist protector 8 may include acontact pad 80, a pump 81, a plurality ofair tubes discharge valve 83, a fixinghole 84, awearable belt 85, abelt holder 86 and aportable pump 87. - The
contact pad 80 may be worn on the wrist of the user. The plurality ofair tubes contact pad 80, and thecontact pad 80 may be wound around the wrist of the user to fix the wrist joint of the user. The user may wind the wrist with thecontact pad 80 and adjust an amount of air injected into the plurality ofair tubes air tubes air tubes discharge valve 83 while wearing thewrist protector 8. - The pump 81 may inject air into the plurality of
air tubes - The plurality of
air tubes contact pad 80. The plurality ofair tubes main air tube 82 a and asub-air tube - The
main air tube 82 a may support a lower portion of the wrist of the user in a state in which the user is wearing thewrist protector 8. An upper portion of themain air tube 82 a may have a relatively narrow width at convex portions like a scaphoid bone and a navicular bone, when compared to a central portion, such that themain air tube 82 a may be easily bent. The upper portion of themain air tube 82 a may be provided under the palm of the user, the central portion of themain air tube 82 a may be provided under the wrist joint of the user, and a lower portion of themain air tube 82 a may be provided under a forearm of the user. - The
main air tube 82 a may include an air-noninjectable region 821 a formed in a longitudinal direction of themain air tube 82 a at the central portion of themain air tube 82 a. The air-noninjectable region 821 a may enable external air to enter a space under themain air tube 82 a, thereby reducing heat or sweat from the wrist of the user. - The
sub-air tube main air tube 82 a. For example, thesub-air tube sub-air tube 82 b that supports a left side of the wrist, that is, an outer side of the wrist, and a secondsub-air tube 82 c that supports a right side of the wrist, that is, an inner side of the wrist, in a state in which the user is wearing thewrist protector 8 on a right hand (seeFIGS. 14A and 14B ). - An angle formed by the
sub-air tube main air tube 82 a may be adjusted. Thesub-air tube main air tube 82 a through an air passage having a relatively narrow width. When thecontact pad 80 is wound around the wrist of the user, the angle formed by thesub-air tube main air tube 82 a may be adjusted based on a thickness of the wrist of the user. For example, in a case of a user having a relatively thick wrist, the angle formed by thesub-air tube main air tube 82 a may be relatively great. For example, in a case of a user having a relatively thin wrist, the angle formed by thesub-air tube main air tube 82 a may be relatively small. - The
discharge valve 83 may discharge the air stored in the plurality ofair tubes discharge valve 83 may be opened or closed by the user, and the user may adjust the pressures of the plurality ofair tubes discharge valve 83. Thedischarge valve 83 may be disposed adjacent to the pump 81. The user may manipulate thedischarge valve 83 and the pump 81 disposed adjacent to each other, thereby easily adjusting the pressures of the plurality ofair tubes - The fixing
hole 84 may be provided in thecontact pad 80 and enclose at least one of fingers of the user. For example, in a state in which the user is wearing thewrist protector 8, the fixinghole 84 may enclose the thumb of the user. The fixinghole 84 may prevent a separation of thewrist protector 8 from the user. - The pump 81, the
discharge valve 83 and the fixinghole 84 may be disposed on the same side relative to themain air tube 82 a. For example, all the pump 81, thedischarge valve 83 and the fixinghole 84 may be disposed on the inner side of the wrist of the user. For example, the fixinghole 84 may enclose the thumb of the user, and the pump 81 and thedischarge valve 83 may be disposed on the same side as the fixinghole 84 relative to themain air tube 82 a. In this example, thedischarge valve 83 and the fixinghole 84 may be disposed toward an inner side of the user, and thus the user may easily manipulate thedischarge valve 83 and the fixinghole 84. - The
wearable belt 85 and thebelt holder 86 may fix thecontact pad 80 to the wrist of the user. Thewearable belt 85 may include a hook-and-loop structure. Thewearable belt 85 may be connected to one side of thecontact pad 80. Thewearable belt 85 may pass through thebelt holder 86. By adjusting a holding position of thewearable belt 85 on thebelt holder 86, a circumference of thecontact pad 80 may be adjusted to be suitable for the thickness of the wrist of the user. - The
portable pump 87 may be mounted on thedischarge valve 83 and inject air into the plurality ofair tubes portable pump 87. Theportable pump 87 may include acontact portion 871 and anelastic body 872. Thecontact portion 871 may fit with thedischarge valve 83. Theelastic body 872 may be connected to an upper side of thecontact portion 871 and have a volume greater than a volume of the pump 81. - Referring to
FIGS. 16A and 16B , thedischarge valve 83 may include adischarge cover 83 a.FIG. 16A illustrates thedischarge valve 83 not communicating with the outside by the discharge cover 83 a, andFIG. 16B illustrates thedischarge valve 83 with the discharge cover 83 a removed therefrom. To inject air into the plurality ofair tubes portable pump 87 or to discharge the air in the plurality ofair tubes discharge valve 83, the user may remove the discharge cover 83 a from thedischarge valve 83. The discharge cover 83 a may have a shape and a size corresponding to an opening of thedischarge valve 83. The discharge cover 83 a may include a handle (not shown) for the user to easily remove or mount the discharge cover 83 a. - The
portable pump 87 has a greater volume than the pump 81, and thus may inject a larger amount of air into the plurality ofair tubes air tubes air tubes portable pump 87. Then, the user may minutely adjust a pressure through the pump 81 and thedischarge valve 83. - Referring to
FIGS. 14A and 14B , thewrist protector 8 may support the circumference of the wrist of the user, thereby assisting the wrist joint of the user to not move. For example, themain air tube 82 a that supports the lower portion of the wrist and thecontact pad 80 that covers the wrist may prevent a flexion and an extension of the wrist of the user. Further, thesub-air tubes hole 84 that fixes a finger of the user, for example, the thumb, and thecontact pad 80 that encloses the perimeter of the wrist of the user may prevent a pronation and a supination of the user. As described above, thewrist protector 8 may prevent various motions of the wrist joint of the user. - Meanwhile, the
wrist protector 8 may fix the lower portion and the side portions of the wrist with a large area through themain air tube 82 a and thesub-air tube hole 84, and the remaining fingers of the user may also move freely while being enclosed by thecontact pad 80. -
FIG. 17 is a plan view illustrating a wrist protector according to an example embodiment, andFIG. 18 is a perspective view illustrating a user wearing the wrist protector according to an example embodiment. - Referring to
FIGS. 17 and 18 , a wrist protector 9 may include acontact pad 90, a pump 91, a plurality ofair tubes 92 a, 92 b and 92 c, a discharge valve 93, a fixing hole 94, awearable belt 95, abelt holder 96, amain plate 991, aloop plate 992 and a sub-plate 993. The plurality ofair tubes 92 a, 92 b and 92 c may include amain air tube 92 a and a sub-air tube 92 b, 92 c. - The
main plate 991 may support a lower portion of themain air tube 92 a. Themain plate 991 may support themain air tube 92 a such that the elongatingmain air tube 92 a may not be spaced apart from the wrist of the user by gravity or external force. Themain plate 991 may be formed of a more rigid material than themain air tube 92 a, for example, plastic. In a case of injecting air into themain air tube 92 a, themain plate 991 may assist themain air tube 92 a to maintain a state of contacting such that a uniform pressure may be applied to the wrist of the user although a relatively small amount of air is injected into themain air tube 92 a. For example, themain plate 991 may have a shape corresponding to a curved shape of the lower portion of the wrist of the user. Themain air tube 92 a may maintain a state of contacting an inner wall of themain plate 991 and maintain a state of contacting the wrist of the user by being pressurized by the inner wall of themain plate 991. - The
main plate 991 may support the lower portion of the wrist, the wrist joint, and the palm of the user. For example, a portion of themain plate 991 that supports a point connecting the lower portion of the wrist of the user and the wrist joint may have a convex shape. For example, theprotection plate 22 may include three partitioned portions, in detail, a first portion, a second portion and a third portion (seeFIG. 10 ). - The first portion may have a shape corresponding to the palm of the user. The first portion may be connected to the second portion while forming a predetermined angle with the second portion. The first portion may have a concave shape at a center thereof to stably support the palm of the user. The second portion may have a shape corresponding to the wrist portion of the user. For example, the second portion may have a slightly recessed shape at a center thereof so as to correspond to the wrist. The third portion may have a shape corresponding to the lower portion of the wrist of the user. For example, the third portion may have a convex shape to correspond to the wrist of the user which is cylindrical.
- The
loop plate 992 and the sub-plate 993 may be formed respectively at left and right edge portions of thecontact pad 90. Similar to themain plate 991, theloop plate 992 and the sub-plate 993 may be formed of a more rigid material than the sub-air tube 92 b, 92 c. - The sub-air tube 92 b, 92 c may include a first sub-air tube 92 b and a second sub-air tube 92 c. The first sub-air tube 92 b may be disposed between the
main plate 991 and theloop plate 992, and the second sub-air tube 92 c may be disposed between themain plate 991 and the sub-plate 993. - The
loop plate 992 and the sub-plate 993 may respectively assist the first sub-air tube 92 b and the second sub-air tube 92 c to maintain a state of contacting the wrist joint of the user. For example, both side portions of the first sub-air tube 92 b may be fixed by themain plate 991 and theloop plate 992, respectively. Thus, although air of an amount sufficient to fix a joint of the user is injected into the first sub-air tube 92 b, the first sub-air tube 92 b may not be spaced apart from a body of the user. Similarly, both side portions of the second sub-air tube 92 c may be fixed by themain plate 991 and the sub-plate 993, respectively. Thus, although air of an amount sufficient to fix the joint of the user is injected into the second sub-air tube 92 c, the second sub-air tube 92 c may not be spaced apart from the body of the user. - A plurality of
belt holders 96 may be formed to be spaced apart from each other on the sub-plate 993 which is relatively rigid when compared to theair tubes 92 a, 92 b and 92 c. By the above structure, a plurality ofwearable belts 95 may enable the wrist protector 9 to support the wrist of the user at an appropriate position while maintaining an interval therebetween. - According to an example embodiment, a user may wind a wrist with a contact pad and then increase an amount of air injected into an air pad attached to an outer circumferential surface of the contact pad, thereby conveniently wearing a wrist protector with one hand.
- Further, the user may increase a pressure of an air tube using a pump or decrease the pressure of the air tube using a discharge valve, thereby frequently adjusting the pressure while wearing the wrist protector.
- A number of example embodiments have been described above. Nevertheless, it should be understood that various modifications may be made to these example embodiments. For example, suitable results may be achieved if the described techniques are performed in a different order and/or if components in a described system, architecture, device, or circuit are combined in a different manner and/or replaced or supplemented by other components or their equivalents. Accordingly, other implementations are within the scope of the following claims.
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0180972 | 2017-12-27 | ||
KR1020170180972A KR102055142B1 (en) | 2017-12-27 | 2017-12-27 | Wrist protector |
Publications (2)
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US20190191793A1 true US20190191793A1 (en) | 2019-06-27 |
US10667567B2 US10667567B2 (en) | 2020-06-02 |
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US16/112,888 Expired - Fee Related US10667567B2 (en) | 2017-12-27 | 2018-08-27 | Wrist protector |
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US (1) | US10667567B2 (en) |
KR (1) | KR102055142B1 (en) |
CN (1) | CN109965403B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021203452A1 (en) * | 2020-04-10 | 2021-10-14 | 惠州市宏远科技有限公司 | Inflatable wrist-guard pad |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111838801B (en) * | 2020-07-28 | 2023-01-06 | 中国科学院大学宁波华美医院 | Old person falls with wrist joint protection buffer |
USD1002021S1 (en) * | 2022-05-07 | 2023-10-17 | Swibrace Sa | Wrist and thumb splint |
KR102576770B1 (en) * | 2023-02-02 | 2023-09-08 | 장기용 | Wrist protection device comprising air column |
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- 2017-12-27 KR KR1020170180972A patent/KR102055142B1/en active IP Right Grant
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- 2018-08-20 CN CN201810949029.2A patent/CN109965403B/en not_active Expired - Fee Related
- 2018-08-27 US US16/112,888 patent/US10667567B2/en not_active Expired - Fee Related
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USD259955S (en) * | 1979-03-14 | 1981-07-21 | Surgical Appliance Industries, Inc. | Wrist brace |
US4899763A (en) * | 1988-10-07 | 1990-02-13 | Safeguard Industrial Corporation | Therapeutic appliance for the wrist |
US5297541A (en) * | 1989-11-14 | 1994-03-29 | Franz Hensey | Athletic therapeutic glove |
US5014689A (en) * | 1990-02-21 | 1991-05-14 | The Kendall Company | Hand brace |
US5020515A (en) * | 1990-11-13 | 1991-06-04 | D'mannco, Inc. | Inflatable hand splint |
US5427577A (en) * | 1992-01-17 | 1995-06-27 | Dba Products Co. Inc. | Selectively pneumatic bowling glove |
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USD669095S1 (en) * | 2011-06-02 | 2012-10-16 | Ki Yong Chang | Automatic air pump for traction device for orthopedic purpose |
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US20130144198A1 (en) * | 2011-12-02 | 2013-06-06 | Ki Yong Chang | Waist support with disc protection belt |
US8795216B2 (en) * | 2011-12-02 | 2014-08-05 | Ki Yong Chang | Waist support with disc protection belt |
US20140230827A1 (en) * | 2013-02-15 | 2014-08-21 | R. Lee Jobe | Devices and Methods for Cardiac Catheterization |
US20180338853A1 (en) * | 2016-07-22 | 2018-11-29 | Ki Yong Chang | Lifting belt |
USD833024S1 (en) * | 2016-11-02 | 2018-11-06 | Ki Yong Chang | Belt bandage |
USD833629S1 (en) * | 2016-12-22 | 2018-11-13 | Ki Yong Chang | Belt bandage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021203452A1 (en) * | 2020-04-10 | 2021-10-14 | 惠州市宏远科技有限公司 | Inflatable wrist-guard pad |
Also Published As
Publication number | Publication date |
---|---|
KR20190079052A (en) | 2019-07-05 |
CN109965403B (en) | 2021-07-16 |
CN109965403A (en) | 2019-07-05 |
KR102055142B1 (en) | 2019-12-12 |
US10667567B2 (en) | 2020-06-02 |
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